package com.imu.core.aspect;  
  
import org.apache.log4j.Logger;  
import org.aspectj.lang.JoinPoint;  
import org.aspectj.lang.annotation.AfterReturning;  
import org.aspectj.lang.annotation.Aspect;  
import org.aspectj.lang.annotation.Before;  
import org.aspectj.lang.annotation.Pointcut;  
import org.springframework.core.annotation.Order;  
import org.springframework.stereotype.Component;  
import org.springframework.web.context.request.RequestContextHolder;  
import org.springframework.web.context.request.ServletRequestAttributes;

import com.imu.security.SessionKeys;

import javax.servlet.http.HttpServletRequest;  
import java.util.Arrays;
  
/** 
 * Web层日志切面
 * @author sunhongwei
 * @email sunhongwei@gmail.com
 * @date 2017年11月4日 上午11:07:35 
 */ 
@Aspect  
@Order(5)  
@Component  
public class ALogger 
{  
    private Logger logger = Logger.getLogger(getClass());  
    ThreadLocal<Long> startTime = new ThreadLocal<>();  
    
    @Pointcut("execution(public * com.imu..*.*Controller.*(..))")  
    public void webLog(){}
  
    @Before("webLog()")  
    public void doBefore(JoinPoint joinPoint) throws Throwable 
    {  
        startTime.set(System.currentTimeMillis());  
  
        // 接收到请求，记录请求内容  
        ServletRequestAttributes attributes = (ServletRequestAttributes) RequestContextHolder.getRequestAttributes();  
        HttpServletRequest request = attributes.getRequest();  
  
        // 记录下请求内容  
        logger.info("USER_AGENT : " + request.getHeader(SessionKeys.AGENT.toString())); 
        logger.info("URL : " + request.getRequestURL().toString().replace(":80/", "/"));
        logger.info("HTTP_METHOD : " + request.getMethod());  
        logger.info("IP : " + request.getRemoteAddr());  
        logger.info("CLASS_METHOD : " + joinPoint.getSignature().getDeclaringTypeName() + "." + joinPoint.getSignature().getName());  
        logger.info("ARGS : " + Arrays.toString(joinPoint.getArgs()));  
    }
  
    @AfterReturning(returning = "ret", pointcut = "webLog()")  
    public void doAfterReturning(Object ret) throws Throwable 
    {  
        // 处理完请求，返回内容  
        logger.info("RESPONSE : " + (null == ret ? "" : ret));  
        logger.info("SPEND TIME : " + (System.currentTimeMillis() - startTime.get()));  
    } 
    
}  